简介：Basedoncontinuummechanics,wehavedevelopedamodelforsemi-quantitativeestimatingeffectsofphasecontinuityonflowstrengthoftwo-phaserocksincludingpartiallymeltedorcrystallizedrocks.Calculationsofthebulkflowstrengthofcompositerocksasfunctionsofthevolumefraction,geometricalshapeandcontinuityoftheconstitutivephasesinvolveinnumericallysolvingtwonon-linearequationsandthusareeasytobeperformed.Themodelhasbeenjustifiedbyagoodagreementbetweenthepredictedandmeasuredresultsondiabase(64%clinopyroxeneand36%plagioclase)intherangeofexperimentaltemperaturesandstrain-rates.Itisbelievedthatthepresentmodelcouldprovideanapproximateestimatefortherheologicalevolutionofmagmaticrocksduringtheirlifecycleofmelting-crystallization-deformation.

简介：<正>1IntroductionAlkalinelakesarewidelydistributedintheareaoftheQinghai-TibetPlateau.Mostofthesaltlakesarefamousfortheirhighconcentrationoflithium,potassium,magnesium,boron(Ma,2000).Inrecentyears,asanewenergymaterial,lithiumanditscompoundsarewidelyusedinthenewarea,suchasaerospaceindustry,nuclear